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In order to ensure safety and quality, all copper tubes must adhere to strict ASTM (米国材料試験協会) standards concerning copper purity, design, fittings and liquid/gas compatibility. They are generally formed by the extrusion process, which fabricates seamless tubes with uniform wall thickness and a smooth surface. Solid-profile copper billets in the shape of rods are heated until malleable and then forced through a series of smaller and smaller molds in the shape of a tube until the desired shape has been reached. After extrusion, they are often bent using rollers or mandrels, and attached to each other at the ends by welding.
Most copper tubes have threaded ends, one male and one female, so they can easily attach and detach from one another. The threading is non-permanent but still provides a reliable, air and water tight seal. Sometimes tubes are joined by brazing, a welding technique that uses nonferrous filler material. A benefit of copper tubes is their flammability and explosion resistance. If a fire does start within the tube, it will not travel farther into the pipe system. Copper tubes can have either soft or hard tempers, which is the metal’s overall hardness. This is accomplished by post-fabrication heat treatments.
1. ヨーロッパのお客様との協力,西アジア,北アメリカ,南アメリカ,以来など 2006.
2. Production of seamless copper tubes & pipes since 2005.
3. サンプルは内で納品できます 25 確認後の日数
4. 40 生産期間としての日数と注文確認後の配送.
5. 150,000 在庫のシームレス銅管のメートル.
6. 200 サイズはODから提供することができます:2mmxWT:0.3ミリメートルから外径:19.05mmxWT:1.65ミリメートル
7. のような第三者検査:テュフ,ティッカー,ティッカー,受け入れられたなど
8. 専門チームが特別なチューブ要件を支援します.
GB | .ISO | ASTM | JISの |
TU1/TU2 | Cu-OF | C10200型 | C1020 |
T2 | Cu-RTP | C11000 | C1100 |
TP1 | Cu-DLP | C12000 | C1201 |
TP2 | Cu-DHP | C12200 | C1220 |
GB | 組成(%) | |||
銅 | P | O | Other | |
TU1 | 99.97 | 0.002 | less than 0.002 | balance |
TU2 | 99.95 | 0.002 | less than 0.003 | balance |
T2 | 99.9 | - | - | balance |
TP1 | 99.9 | 0.004-0.012 | - | balance |
TP2 | 99.9 | 0.015-0.040 | - | balance |
ASTM | 組成(%) | |||
銅 | P | O | Other | |
C10200型 | 99.95 | 0.001-0.005 | - | balance |
C11000 | 99.9 | - | - | balance |
C12000 | 99.9 | 0.004-0.012 | - | balance |
C12200 | 99.9 | 0.015-0.040 | - | balance |
等級(中国) | 等級(Japan) | 癇癪 | External diameter(ミリメートル) | 引張強さ(メガパスカル) | 伸長(%) | |
δ10 | δ5 | |||||
以上 | ||||||
T2/T3/TP1/TP2 | C11000/C1201C1220 | Y | more than 100 | 315 | - | - |
more than 100-360 | 295 | - | - | |||
2円 | less than 100 | 235-345 | - | - | ||
M | 3-360 | 205 | 35 | 40 |